# -*- coding: utf-8 -*-
"""
Tencent is pleased to support the open source community by making 蓝鲸智云PaaS平台社区版 (BlueKing PaaS Community
Edition) available.
Copyright (C) 2017-2019 THL A29 Limited, a Tencent company. All rights reserved.
Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://opensource.org/licenses/MIT
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
"""

from pipeline.exceptions import ComponentNotExistException


class ComponentLibrary(object):
    components = {}

    def __new__(cls, *args, **kwargs):
        component_code = kwargs.get('component_code', None)
        if args:
            component_code = args[0]
        if not component_code:
            raise ValueError('please pass a component_code in args or kwargs: '
                             'ComponentLibrary(\'code\') or ComponentLibrary(component_code=\'code\')')
        if component_code not in cls.components:
            raise ComponentNotExistException('component %s does not exist.' % component_code)
        return cls.components[component_code]

    @classmethod
    def get_component_class(cls, component_code):
        return cls.components.get(component_code)

    @classmethod
    def get_component(cls, component_code, data_dict):
        component_cls = cls.get_component_class(component_code)
        if component_cls is None:
            raise ComponentNotExistException('component %s does not exist.' % component_code)
        return component_cls(data_dict)
